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Diffstat (limited to 'linux/drivers/media/dvb/frontends/at76c651.c')
-rw-r--r--linux/drivers/media/dvb/frontends/at76c651.c496
1 files changed, 194 insertions, 302 deletions
diff --git a/linux/drivers/media/dvb/frontends/at76c651.c b/linux/drivers/media/dvb/frontends/at76c651.c
index b96e1274e..812d814dc 100644
--- a/linux/drivers/media/dvb/frontends/at76c651.c
+++ b/linux/drivers/media/dvb/frontends/at76c651.c
@@ -1,6 +1,6 @@
/*
* at76c651.c
- *
+ *
* Atmel DVB-C Frontend Driver (at76c651/tua6010xs)
*
* Copyright (C) 2001 fnbrd <fnbrd@gmx.de>
@@ -24,9 +24,6 @@
* AT76C651
* http://www.nalanda.nitc.ac.in/industry/datasheets/atmel/acrobat/doc1293.pdf
* http://www.atmel.com/atmel/acrobat/doc1320.pdf
- *
- * TUA6010XS
- * http://www.infineon.com/cgi/ecrm.dll/ecrm/scripts/public_download.jsp?oid=19512
*/
#include <linux/init.h>
@@ -36,48 +33,34 @@
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/bitops.h>
-
#include "dvb_frontend.h"
+#include "at76c651.h"
-#define FRONTEND_NAME "dvbfe_at76c651"
-#define dprintk(args...) \
- do { \
- if (debug) printk(KERN_DEBUG FRONTEND_NAME ": " args); \
- } while (0)
+struct at76c651_state {
-static int debug;
+ struct i2c_adapter* i2c;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+ struct dvb_frontend_ops ops;
+ const struct at76c651_config* config;
-static struct dvb_frontend_info at76c651_info = {
- .name = "Atmel AT76C651B with TUA6010XS",
- .type = FE_QAM,
- .frequency_min = 48250000,
- .frequency_max = 863250000,
- .frequency_stepsize = 62500,
- /*.frequency_tolerance = */ /* FIXME: 12% of SR */
- .symbol_rate_min = 0, /* FIXME */
- .symbol_rate_max = 9360000, /* FIXME */
- .symbol_rate_tolerance = 4000,
- .notifier_delay = 0,
- .caps = FE_CAN_INVERSION_AUTO |
- FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
- FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
- FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
- FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 |
- FE_CAN_MUTE_TS | FE_CAN_QAM_256 | FE_CAN_RECOVER
-};
+ struct dvb_frontend frontend;
-struct at76c651_state {
+ /* revision of the chip */
u8 revision;
+
+ /* last QAM value set */
u8 qam;
- struct i2c_adapter *i2c;
- struct dvb_adapter *dvb;
};
+static int debug;
+#define dprintk(args...) \
+ do { \
+ if (debug) printk(KERN_DEBUG "at76c651: " args); \
+ } while (0)
+
+
#if ! defined(__powerpc__)
static __inline__ int __ilog2(unsigned long x)
{
@@ -93,14 +76,14 @@ static __inline__ int __ilog2(unsigned long x)
}
#endif
-static int at76c651_writereg(struct i2c_adapter *i2c, u8 reg, u8 data)
+static int at76c651_writereg(struct at76c651_state* state, u8 reg, u8 data)
{
int ret;
u8 buf[] = { reg, data };
struct i2c_msg msg =
- { .addr = 0x1a >> 1, .flags = 0, .buf = buf, .len = 2 };
+ { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
- ret = i2c_transfer(i2c, &msg, 1);
+ ret = i2c_transfer(state->i2c, &msg, 1);
if (ret != 1)
dprintk("%s: writereg error "
@@ -112,16 +95,16 @@ static int at76c651_writereg(struct i2c_adapter *i2c, u8 reg, u8 data)
return (ret != 1) ? -EREMOTEIO : 0;
}
-static u8 at76c651_readreg(struct i2c_adapter *i2c, u8 reg)
+static u8 at76c651_readreg(struct at76c651_state* state, u8 reg)
{
int ret;
u8 val;
struct i2c_msg msg[] = {
- { .addr = 0x1a >> 1, .flags = 0, .buf = &reg, .len = 1 },
- { .addr = 0x1a >> 1, .flags = I2C_M_RD, .buf = &val, .len = 1 }
+ { .addr = state->config->demod_address, .flags = 0, .buf = &reg, .len = 1 },
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = &val, .len = 1 }
};
- ret = i2c_transfer(i2c, msg, 2);
+ ret = i2c_transfer(state->i2c, msg, 2);
if (ret != 2)
dprintk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
@@ -129,112 +112,64 @@ static u8 at76c651_readreg(struct i2c_adapter *i2c, u8 reg)
return val;
}
-static int at76c651_reset(struct i2c_adapter *i2c)
+static int at76c651_reset(struct at76c651_state* state)
{
- return at76c651_writereg(i2c, 0x07, 0x01);
+ return at76c651_writereg(state, 0x07, 0x01);
}
-static void at76c651_disable_interrupts(struct i2c_adapter *i2c)
+static void at76c651_disable_interrupts(struct at76c651_state* state)
{
- at76c651_writereg(i2c, 0x0b, 0x00);
+ at76c651_writereg(state, 0x0b, 0x00);
}
static int at76c651_set_auto_config(struct at76c651_state *state)
{
- struct i2c_adapter *i2c = state->i2c;
-
/*
* Autoconfig
*/
- at76c651_writereg(i2c, 0x06, 0x01);
+ at76c651_writereg(state, 0x06, 0x01);
/*
* Performance optimizations, should be done after autoconfig
*/
- at76c651_writereg(i2c, 0x10, 0x06);
- at76c651_writereg(i2c, 0x11, ((state->qam == 5) || (state->qam == 7)) ? 0x12 : 0x10);
- at76c651_writereg(i2c, 0x15, 0x28);
- at76c651_writereg(i2c, 0x20, 0x09);
- at76c651_writereg(i2c, 0x24, ((state->qam == 5) || (state->qam == 7)) ? 0xC0 : 0x90);
- at76c651_writereg(i2c, 0x30, 0x90);
+ at76c651_writereg(state, 0x10, 0x06);
+ at76c651_writereg(state, 0x11, ((state->qam == 5) || (state->qam == 7)) ? 0x12 : 0x10);
+ at76c651_writereg(state, 0x15, 0x28);
+ at76c651_writereg(state, 0x20, 0x09);
+ at76c651_writereg(state, 0x24, ((state->qam == 5) || (state->qam == 7)) ? 0xC0 : 0x90);
+ at76c651_writereg(state, 0x30, 0x90);
if (state->qam == 5)
- at76c651_writereg(i2c, 0x35, 0x2A);
+ at76c651_writereg(state, 0x35, 0x2A);
/*
* Initialize A/D-converter
*/
if (state->revision == 0x11) {
- at76c651_writereg(i2c, 0x2E, 0x38);
- at76c651_writereg(i2c, 0x2F, 0x13);
+ at76c651_writereg(state, 0x2E, 0x38);
+ at76c651_writereg(state, 0x2F, 0x13);
}
- at76c651_disable_interrupts(i2c);
+ at76c651_disable_interrupts(state);
/*
* Restart operation
*/
- at76c651_reset(i2c);
-
- return 0;
-}
-
-static void at76c651_set_bbfreq(struct i2c_adapter *i2c)
-{
- at76c651_writereg(i2c, 0x04, 0x3f);
- at76c651_writereg(i2c, 0x05, 0xee);
-}
-
-static int at76c651_pll_write(struct i2c_adapter *i2c, u8 *buf, size_t len)
-{
- int ret;
- struct i2c_msg msg =
- { .addr = 0xc2 >> 1, .flags = 0, .buf = buf, .len = len };
-
- at76c651_writereg(i2c, 0x0c, 0xc3);
-
- ret = i2c_transfer(i2c, &msg, 1);
-
- at76c651_writereg(i2c, 0x0c, 0xc2);
-
- if (ret < 0)
- return ret;
- else if (ret != 1)
- return -EREMOTEIO;
+ at76c651_reset(state);
return 0;
}
-static int tua6010_setfreq(struct i2c_adapter *i2c, u32 freq)
+static void at76c651_set_bbfreq(struct at76c651_state* state)
{
- u32 div;
- u8 buf[4];
- u8 vu, p2, p1, p0;
-
- if ((freq < 50000000) || (freq > 900000000))
- return -EINVAL;
-
- div = (freq + 36125000) / 62500;
-
- if (freq > 400000000)
- vu = 1, p2 = 1, p1 = 0, p0 = 1;
- else if (freq > 140000000)
- vu = 0, p2 = 1, p1 = 1, p0 = 0;
- else
- vu = 0, p2 = 0, p1 = 1, p0 = 1;
-
- buf[0] = (div >> 8) & 0x7f;
- buf[1] = (div >> 0) & 0xff;
- buf[2] = 0x8e;
- buf[3] = (vu << 7) | (p2 << 2) | (p1 << 1) | p0;
-
- return at76c651_pll_write(i2c, buf, 4);
+ at76c651_writereg(state, 0x04, 0x3f);
+ at76c651_writereg(state, 0x05, 0xee);
}
-static int at76c651_set_symbol_rate(struct i2c_adapter *i2c, u32 symbol_rate)
+static int at76c651_set_symbol_rate(struct at76c651_state* state, u32 symbol_rate)
{
u8 exponent;
u32 mantissa;
@@ -251,9 +186,9 @@ static int at76c651_set_symbol_rate(struct i2c_adapter *i2c, u32 symbol_rate)
exponent = __ilog2((symbol_rate << 4) / 903125);
mantissa = ((symbol_rate / 3125) * (1 << (24 - exponent))) / 289;
- at76c651_writereg(i2c, 0x00, mantissa >> 13);
- at76c651_writereg(i2c, 0x01, mantissa >> 5);
- at76c651_writereg(i2c, 0x02, (mantissa << 3) | exponent);
+ at76c651_writereg(state, 0x00, mantissa >> 13);
+ at76c651_writereg(state, 0x01, mantissa >> 5);
+ at76c651_writereg(state, 0x02, (mantissa << 3) | exponent);
return 0;
}
@@ -292,13 +227,12 @@ static int at76c651_set_qam(struct at76c651_state *state, fe_modulation_t qam)
}
- return at76c651_writereg(state->i2c, 0x03, state->qam);
+ return at76c651_writereg(state, 0x03, state->qam);
}
-static int at76c651_set_inversion(struct i2c_adapter *i2c,
- fe_spectral_inversion_t inversion)
+static int at76c651_set_inversion(struct at76c651_state* state, fe_spectral_inversion_t inversion)
{
- u8 feciqinv = at76c651_readreg(i2c, 0x60);
+ u8 feciqinv = at76c651_readreg(state, 0x60);
switch (inversion) {
case INVERSION_OFF:
@@ -318,250 +252,208 @@ static int at76c651_set_inversion(struct i2c_adapter *i2c,
return -EINVAL;
}
- return at76c651_writereg(i2c, 0x60, feciqinv);
+ return at76c651_writereg(state, 0x60, feciqinv);
}
-static int at76c651_set_parameters(struct at76c651_state *state,
+
+
+
+
+
+
+
+
+static int at76c651_set_parameters(struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
{
- struct i2c_adapter *i2c = state->i2c;
int ret;
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
- if ((ret = tua6010_setfreq(i2c, p->frequency)))
- return ret;
+ at76c651_writereg(state, 0x0c, 0xc3);
+ state->config->pll_set(fe, p);
+ at76c651_writereg(state, 0x0c, 0xc2);
- if ((ret = at76c651_set_symbol_rate(i2c, p->u.qam.symbol_rate)))
+ if ((ret = at76c651_set_symbol_rate(state, p->u.qam.symbol_rate)))
return ret;
- if ((ret = at76c651_set_inversion(i2c, p->inversion)))
+ if ((ret = at76c651_set_inversion(state, p->inversion)))
return ret;
return at76c651_set_auto_config(state);
}
-static int at76c651_set_defaults(struct at76c651_state *state)
+static int at76c651_set_defaults(struct dvb_frontend* fe)
{
- struct i2c_adapter *i2c = state->i2c;
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
- at76c651_set_symbol_rate(i2c, 6900000);
+ at76c651_set_symbol_rate(state, 6900000);
at76c651_set_qam(state, QAM_64);
- at76c651_set_bbfreq(i2c);
+ at76c651_set_bbfreq(state);
at76c651_set_auto_config(state);
+ if (state->config->pll_init) {
+ at76c651_writereg(state, 0x0c, 0xc3);
+ state->config->pll_init(fe);
+ at76c651_writereg(state, 0x0c, 0xc2);
+ }
+
return 0;
}
-static int at76c651_ioctl(struct dvb_frontend *fe, unsigned int cmd, void *arg)
+static int at76c651_read_status(struct dvb_frontend* fe, fe_status_t* status)
{
- struct at76c651_state *state = fe->data;
- struct i2c_adapter *i2c = state->i2c;
-
- switch (cmd) {
- case FE_GET_INFO:
- memcpy(arg, &at76c651_info, sizeof(struct dvb_frontend_info));
- break;
-
- case FE_READ_STATUS:
- {
- fe_status_t *status = arg;
- u8 sync;
-
- /*
- * Bits: FEC, CAR, EQU, TIM, AGC2, AGC1, ADC, PLL (PLL=0)
- */
- sync = at76c651_readreg(i2c, 0x80);
-
- *status = 0;
-
- if (sync & (0x04 | 0x10)) /* AGC1 || TIM */
- *status |= FE_HAS_SIGNAL;
- if (sync & 0x10) /* TIM */
- *status |= FE_HAS_CARRIER;
- if (sync & 0x80) /* FEC */
- *status |= FE_HAS_VITERBI;
- if (sync & 0x40) /* CAR */
- *status |= FE_HAS_SYNC;
- if ((sync & 0xF0) == 0xF0) /* TIM && EQU && CAR && FEC */
- *status |= FE_HAS_LOCK;
- break;
- }
-
- case FE_READ_BER:
- {
- u32 *ber = arg;
- *ber = (at76c651_readreg(i2c, 0x81) & 0x0F) << 16;
- *ber |= at76c651_readreg(i2c, 0x82) << 8;
- *ber |= at76c651_readreg(i2c, 0x83);
- *ber *= 10;
- break;
- }
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
+ u8 sync;
- case FE_READ_SIGNAL_STRENGTH:
- {
- u8 gain = ~at76c651_readreg(i2c, 0x91);
- *(u16 *)arg = (gain << 8) | gain;
- break;
- }
-
- case FE_READ_SNR:
- *(u16 *)arg = 0xFFFF -
- ((at76c651_readreg(i2c, 0x8F) << 8) |
- at76c651_readreg(i2c, 0x90));
- break;
-
- case FE_READ_UNCORRECTED_BLOCKS:
- *(u32 *)arg = at76c651_readreg(i2c, 0x82);
- break;
-
- case FE_SET_FRONTEND:
- return at76c651_set_parameters(state, arg);
-
- case FE_GET_FRONTEND:
- break;
-
- case FE_SLEEP:
- break;
+ /*
+ * Bits: FEC, CAR, EQU, TIM, AGC2, AGC1, ADC, PLL (PLL=0)
+ */
+ sync = at76c651_readreg(state, 0x80);
+ *status = 0;
+
+ if (sync & (0x04 | 0x10)) /* AGC1 || TIM */
+ *status |= FE_HAS_SIGNAL;
+ if (sync & 0x10) /* TIM */
+ *status |= FE_HAS_CARRIER;
+ if (sync & 0x80) /* FEC */
+ *status |= FE_HAS_VITERBI;
+ if (sync & 0x40) /* CAR */
+ *status |= FE_HAS_SYNC;
+ if ((sync & 0xF0) == 0xF0) /* TIM && EQU && CAR && FEC */
+ *status |= FE_HAS_LOCK;
- case FE_INIT:
- return at76c651_set_defaults(state);
+ return 0;
+}
- case FE_GET_TUNE_SETTINGS:
- {
- struct dvb_frontend_tune_settings *fesettings = arg;
- fesettings->min_delay_ms = 50;
- fesettings->step_size = 0;
- fesettings->max_drift = 0;
- break;
- }
+static int at76c651_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
- default:
- return -ENOIOCTLCMD;
- }
+ *ber = (at76c651_readreg(state, 0x81) & 0x0F) << 16;
+ *ber |= at76c651_readreg(state, 0x82) << 8;
+ *ber |= at76c651_readreg(state, 0x83);
+ *ber *= 10;
return 0;
}
-static struct i2c_client client_template;
-
-static int attach_adapter(struct i2c_adapter *adapter)
+static int at76c651_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{
- struct at76c651_state *state;
- struct i2c_client *client;
- int ret;
-
- if (at76c651_readreg(adapter, 0x0E) != 0x65)
- return -ENODEV;
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
- if (!(state = kmalloc(sizeof(struct at76c651_state), GFP_KERNEL)))
- return -ENOMEM;
+ u8 gain = ~at76c651_readreg(state, 0x91);
+ *strength = (gain << 8) | gain;
- state->i2c = adapter;
- state->revision = at76c651_readreg(adapter, 0x0F) & 0xFE;
+ return 0;
+}
- switch (state->revision) {
- case 0x10:
- at76c651_info.name[14] = 'A';
- break;
- case 0x11:
- at76c651_info.name[14] = 'B';
- break;
- default:
- kfree(state);
- return -ENODEV;
- }
+static int at76c651_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
- if (!(client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
- kfree(state);
- return -ENOMEM;
- }
+ *snr = 0xFFFF -
+ ((at76c651_readreg(state, 0x8F) << 8) |
+ at76c651_readreg(state, 0x90));
- memcpy(client, &client_template, sizeof(struct i2c_client));
- client->adapter = adapter;
- client->addr = 0x1a >> 1;
- i2c_set_clientdata(client, state);
- ret = i2c_attach_client(client);
- if (ret) {
- kfree(state);
- kfree(client);
- return ret;
- }
+ return 0;
+}
- BUG_ON(!state->dvb);
+static int at76c651_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+{
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
- ret = dvb_register_frontend(at76c651_ioctl, state->dvb, state,
- &at76c651_info, THIS_MODULE);
- if (ret) {
- i2c_detach_client(client);
- kfree(client);
- kfree(state);
- return ret;
- }
+ *ucblocks = at76c651_readreg(state, 0x82);
return 0;
}
-static int detach_client(struct i2c_client *client)
+static int at76c651_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *fesettings)
{
- struct at76c651_state *state = i2c_get_clientdata(client);
+ fesettings->min_delay_ms = 50;
+ fesettings->step_size = 0;
+ fesettings->max_drift = 0;
+ return 0;
+}
- dvb_unregister_frontend(at76c651_ioctl, state->dvb);
- i2c_detach_client(client);
- BUG_ON(state->dvb);
- kfree(client);
+static void at76c651_release(struct dvb_frontend* fe)
+{
+ struct at76c651_state* state = (struct at76c651_state*) fe->demodulator_priv;
kfree(state);
-
- return 0;
}
-static int command(struct i2c_client *client, unsigned int cmd, void *arg)
+static struct dvb_frontend_ops at76c651_ops;
+
+struct dvb_frontend* at76c651_attach(const struct at76c651_config* config,
+ struct i2c_adapter* i2c)
{
- struct at76c651_state *state = i2c_get_clientdata(client);
+ struct at76c651_state* state = NULL;
- switch (cmd) {
- case FE_REGISTER:
- state->dvb = arg;
- break;
- case FE_UNREGISTER:
- state->dvb = NULL;
- break;
- default:
- return -EOPNOTSUPP;
- }
+ /* allocate memory for the internal state */
+ state = (struct at76c651_state*) kmalloc(sizeof(struct at76c651_state), GFP_KERNEL);
+ if (state == NULL) goto error;
- return 0;
-}
+ /* setup the state */
+ state->config = config;
+ state->qam = 0;
-static struct i2c_driver driver = {
- .owner = THIS_MODULE,
- .name = FRONTEND_NAME,
- .id = I2C_DRIVERID_DVBFE_AT76C651,
- .flags = I2C_DF_NOTIFY,
- .attach_adapter = attach_adapter,
- .detach_client = detach_client,
- .command = command,
-};
+ /* check if the demod is there */
+ if (at76c651_readreg(state, 0x0e) != 0x65) goto error;
-static struct i2c_client client_template = {
- .name = FRONTEND_NAME,
- .flags = I2C_CLIENT_ALLOW_USE,
- .driver = &driver,
-};
+ /* finalise state setup */
+ state->i2c = i2c;
+ state->revision = at76c651_readreg(state, 0x0f) & 0xfe;
+ memcpy(&state->ops, &at76c651_ops, sizeof(struct dvb_frontend_ops));
-static int __init at76c651_init(void)
-{
- return i2c_add_driver(&driver);
-}
+ /* create dvb_frontend */
+ state->frontend.ops = &state->ops;
+ state->frontend.demodulator_priv = state;
+ return &state->frontend;
-static void __exit at76c651_exit(void)
-{
- if (i2c_del_driver(&driver))
- printk(KERN_ERR "at76c651: driver deregistration failed.\n");
+error:
+ if (state) kfree(state);
+ return NULL;
}
-module_init(at76c651_init);
-module_exit(at76c651_exit);
+static struct dvb_frontend_ops at76c651_ops = {
+
+ .info = {
+ .name = "Atmel AT76C651B DVB-C",
+ .type = FE_QAM,
+ .frequency_min = 48250000,
+ .frequency_max = 863250000,
+ .frequency_stepsize = 62500,
+ /*.frequency_tolerance = */ /* FIXME: 12% of SR */
+ .symbol_rate_min = 0, /* FIXME */
+ .symbol_rate_max = 9360000, /* FIXME */
+ .symbol_rate_tolerance = 4000,
+ .caps = FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
+ FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
+ FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 |
+ FE_CAN_MUTE_TS | FE_CAN_QAM_256 | FE_CAN_RECOVER
+ },
+
+ .release = at76c651_release,
+
+ .init = at76c651_set_defaults,
+
+ .set_frontend = at76c651_set_parameters,
+ .get_tune_settings = at76c651_get_tune_settings,
+
+ .read_status = at76c651_read_status,
+ .read_ber = at76c651_read_ber,
+ .read_signal_strength = at76c651_read_signal_strength,
+ .read_snr = at76c651_read_snr,
+ .read_ucblocks = at76c651_read_ucblocks,
+};
-MODULE_DESCRIPTION("at76c651/tua6010xs dvb-c frontend driver");
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+
+MODULE_DESCRIPTION("Atmel AT76C651 DVB-C Demodulator Driver");
MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(at76c651_attach);